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All results from a given calculation for CH2CS (Thioketene)

using model chemistry: mPW1PW91/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/cc-pVDZ
 hartrees
Energy at 0K-475.556858
Energy at 298.15K 
HF Energy-475.556858
Nuclear repulsion energy78.513447
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A1 3179 3046 30.95 177.88 0.12 0.21
2 A1 1867 1789 385.27 8.67 0.13 0.24
3 A1 1348 1292 1.63 16.02 0.56 0.72
4 A1 875 838 15.30 29.71 0.28 0.44
5 B1 696 667 85.21 1.17 0.75 0.86
6 B1 425 407 2.85 0.75 0.75 0.86
7 B2 3278 3142 7.71 107.32 0.75 0.86
8 B2 912 874 0.17 0.56 0.75 0.86
9 B2 359 344 1.87 0.55 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 6469.2 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 6199.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/cc-pVDZ
ABC
9.43589 0.18742 0.18377

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -1.760
C2 0.000 0.000 -0.449
S3 0.000 0.000 1.118
H4 0.000 0.941 -2.312
H5 0.000 -0.941 -2.312

Atom - Atom Distances (Å)
  C1 C2 S3 H4 H5
C11.31092.87781.09101.0910
C21.31091.56692.08672.0867
S32.87781.56693.55603.5560
H41.09102.08673.55601.8829
H51.09102.08673.55601.8829

picture of Thioketene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 S3 180.000 C2 C1 H4 120.355
C2 C1 H5 120.355 H4 C1 H5 119.290
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.123      
2 C -0.001      
3 S -0.071      
4 H 0.098      
5 H 0.098      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 -1.169 1.169
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.046 0.000 0.000
y 0.000 -23.103 0.000
z 0.000 0.000 -21.153
Traceless
 xyz
x -4.919 0.000 0.000
y 0.000 0.997 0.000
z 0.000 0.000 3.922
Polar
3z2-r27.843
x2-y2-3.944
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.463 0.000 0.000
y 0.000 3.203 0.000
z 0.000 0.000 10.371


<r2> (average value of r2) Å2
<r2> 67.089
(<r2>)1/2 8.191